Jeju

Jeju may refer to:
 * Jeju Island (Jejudo), an island of South Korea
 * Jeju Province (formerly transliterated Cheju), a province of South Korea comprising Jejudo
 * Jeju City, the biggest city on Jejudo
 * Jeju dog, a dog native to Jejudo
 * Jeju language, the Koreanic language spoken on Jejudo
 * Jeju people
 * Jeju Black, a cattle breed from the island
 * Jeju horse
 * Jeju Air, an airline operating from Jejudo
 * Jeju Bank, the subsidiary of Shinhan Bank
 * Jeju (woreda), one of the 180 woredas district in the Oromia Region of Ethiopia
 * Jeju Shinhwa World, a fully integrated South Korean resort located on Jeju Island
 * Hoplerythrinus unitaeniatus, an Amazonian fish known as jeju